I was also under the assumption that if you actually drive the 50-100 miles on your run-flats after they've been punctured, then the tire will be so damaged as

I was also under the assumption that if you actually drive the 50-100 miles on your run-flats after they've been punctured, then the tire will be so damaged as to require replacing. I have run-flats on my Mini, and the Mini community very adamantly insists that regular tires are smoother, quieter and offer much better traction. I plan to make the switch soon.